Unit 2: Multiplying Integers

Evaluate. -8(-4 + 59)

• -476

• -440

• -504

• 504

Tags

CCSS.7.EE.B.3

Analyze this expression: 15 ÷ 2 1/2. Choose all the scenarios that represent the expression.

• Billy has 15 pounds of oranges. He placed 2 1/2 pounds of them into each of 6 baskets.

• Jennifer made 2 1/2 batches of cookies. She placed them on trays that each hold 15 cookies.

• Gena bought 15 feet of yarn. She needs 2 1/2 times more yarn to make a blanket.

• Mary has 15 feet of lumber. For a project, she wants to cut the lumber into 2 1/2-foot pieces.

Tags

CCSS.5.NF.B.3

Aaron is trying to eat more healthfully. Every time he eats a healthy snack he awards himself +5 points in his notebook. Whenever he eats something unhealthy he gives himself −4 points in his notebook. If Aaron eats 5 bags of chips and 8 bags of baby carrots, how many points would he have?

• −1 point

• 20 points

• −20 points

• 1 point

Tags

CCSS.7.NS.A.3

In addition if both numbers are positive

• The sum is positive

• The sum is negative

• Add

• Subtract

Tags

CCSS.7.NS.A.1C

In addition if both numbers are negative

• The sum is positive

• The sum is negative

• add

• subtract

Tags

CCSS.7.NS.A.1C

In multiplication a positive times a positive is

• always positive

• always negative

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

In multiplication a negative times a negative is

• always positive

• always negative

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

Evaluate. 7(-3 + 12)

• 63

• -63

• 21

• -21

Tags

CCSS.7.NS.A.1D

Evaluate. -5(6 - 10)

• 20

• -20

• 30

• -30

Tags

CCSS.7.NS.A.2C

Jessica is tracking her reading habits. She awards herself +15 points for every book she finishes and deducts −7 points for every book she starts but doesn't finish. If she finishes 4 books and starts but doesn't finish 3 books, how many points does she have?

• 45 points

• 60 points

• 33 points

• 39 points

Tags

CCSS.7.NS.A.3